Microsoft, which recently brought its Lumia Cyan and Windows Phone 8.1 updates to Lumia 520 and Lumia 720 smartphones in India, has now made available both the Lumia Cyan and Windows Phone 8.1 upgrades to users of its premium Lumia 920 smartphones in the country.

Both the Lumia Cyan and Windows Phone 8.1 updates bring along a host of enhancements for users of Microsoft's Lumia 920 'premium' smartphone.

One major enhancement that Windows Phone 8 users world over are eagerly looking forward to is Microsoft's personal digital assistant (PDA) Cortana that helps users in various day to day activities.

However, it is doubted whether Cortana will roll-out directly with the Windows Phone 8.1 update, to Lumia 920 users in India. The PDA is set to make a full-fledged appearance (and stay put) with another standalone update, shortly.

The Windows Phone 8.1 update also features Microsoft's Internet Explorer 11 web browser, a customisable lockscreen, pull down notification bar and an extra 'live tiles' column (optional) on the homescreen.

On the other hand, Lumia Cyan is a firmware upgrade and is applicable to Lumia smartphones only. This update brings camera and camera roll enhancements to Lumia smartphones.

With the Lumia Cyan update, owners of Lumia smartphones can save games and applications directly to a microSD card.

Lumia 920 users in India should observe the Lumia Cyan/Windows Phone 8.1 upgrades being available to them, via over-the-air (OTA) mechanism and can also check and install these updates manually.

Users can navigate to the Settings menu within their Lumia smartphones, to check and install the Lumia Cyan/Windows Phone 8.1 updates.